The main purpose of this plugin is to make time reporting easy for the forgetful programmer, without additional tools it provides a static log for you, but the format is such that you can easily import or analyze using whatever tool you feel comfortable with.

install details

save activity-log.vim to your vim/plugin dir.

If desired, you can change how your logs are generated by defining g:activity_log_location in your vimrc for example to get monthly logs rather than daily logs: